7772427841 has 2 divisors, whose sum is σ = 7772427842. Its totient is φ = 7772427840.

The previous prime is 7772427823. The next prime is 7772427889. The reversal of 7772427841 is 1487242777.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4396353025 + 3376074816 = 66305^2 + 58104^2 .

It is a cyclic number.

It is not a de Polignac number, because 7772427841 - 2⁵ = 7772427809 is a prime.

It is not a weakly prime, because it can be changed into another prime (7772427821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3886213920 + 3886213921.

It is an arithmetic number, because the mean of its divisors is an integer number (3886213921).

Almost surely, 2^7772427841 is an apocalyptic number.

It is an amenable number.

7772427841 is a deficient number, since it is larger than the sum of its proper divisors (1).

7772427841 is an equidigital number, since it uses as much as digits as its factorization.

7772427841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1229312, while the sum is 49.

The square root of 7772427841 is about 88161.3738606653. The cubic root of 7772427841 is about 1980.8529332941.

The spelling of 7772427841 in words is "seven billion, seven hundred seventy-two million, four hundred twenty-seven thousand, eight hundred forty-one".